JPS5345568A - Electronic watch - Google Patents

Electronic watch

Info

Publication number
JPS5345568A
JPS5345568A JP12000076A JP12000076A JPS5345568A JP S5345568 A JPS5345568 A JP S5345568A JP 12000076 A JP12000076 A JP 12000076A JP 12000076 A JP12000076 A JP 12000076A JP S5345568 A JPS5345568 A JP S5345568A
Authority
JP
Japan
Prior art keywords
electronic watch
watch
optimizing
electro
employing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP12000076A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6212477B2 (enrdf_load_stackoverflow
Inventor
Minoru Hosokawa
Yoshikazu Kawamura
Sakio Okazaki
Hiroshi Ishii
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Seiko Epson Corp
Suwa Seikosha KK
Original Assignee
Seiko Epson Corp
Suwa Seikosha KK
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Seiko Epson Corp, Suwa Seikosha KK filed Critical Seiko Epson Corp
Priority to JP12000076A priority Critical patent/JPS5345568A/ja
Publication of JPS5345568A publication Critical patent/JPS5345568A/ja
Publication of JPS6212477B2 publication Critical patent/JPS6212477B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C3/00—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means
    • G04C3/14—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means incorporating a stepping motor
    • G04C3/143—Means to reduce power consumption by reducing pulse width or amplitude and related problems, e.g. detection of unwanted or missing step

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromechanical Clocks (AREA)
  • Control Of Stepping Motors (AREA)
JP12000076A 1976-10-06 1976-10-06 Electronic watch Granted JPS5345568A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12000076A JPS5345568A (en) 1976-10-06 1976-10-06 Electronic watch

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12000076A JPS5345568A (en) 1976-10-06 1976-10-06 Electronic watch

Publications (2)

Publication Number Publication Date
JPS5345568A true JPS5345568A (en) 1978-04-24
JPS6212477B2 JPS6212477B2 (enrdf_load_stackoverflow) 1987-03-18

Family

ID=14775404

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12000076A Granted JPS5345568A (en) 1976-10-06 1976-10-06 Electronic watch

Country Status (1)

Country Link
JP (1) JPS5345568A (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5683298A (en) * 1979-11-07 1981-07-07 Junghans Gmbh Geb Step motor control device for battery driven equipment
JPS5691698A (en) * 1979-12-06 1981-07-24 Ebauches Sa Pulse motor control device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5683298A (en) * 1979-11-07 1981-07-07 Junghans Gmbh Geb Step motor control device for battery driven equipment
JPS5691698A (en) * 1979-12-06 1981-07-24 Ebauches Sa Pulse motor control device

Also Published As

Publication number Publication date
JPS6212477B2 (enrdf_load_stackoverflow) 1987-03-18

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